1 typedef int TTT; 2 typedef int &td_int_ref; 3 main()4 int main() { 5 int i = 0; 6 // references to typedefs 7 TTT &l_ref = i; 8 TTT &&r_ref = static_cast<TTT &&>(i); 9 // typedef of a reference 10 td_int_ref td_to_ref_type = i; 11 12 return l_ref; // break here 13 } 14